Fae
From Tolkien Gateway
fae is Sindarin for "spirit"
Etymology
Old Sindarin *phaia, root PHAJA.
Cognates
- Tolkien mentions that the name Fëanor is a Sindarinized version of the Quenya Fëanàro, but is not proper Sindarin. His genuine Sindarin name would be Faenor instead.
Inspiration
Fae is an archaic English word referring to "magic" or "fairies". This word was used by Tolkien in the early version of his legendarium (The Book of Lost Tales) to refer to the Valar and the Elves.